Blancpain Fifty Fathoms 5025-9430-52A

Last updated: September 18, 2025
Luxury Blancpain Fifty Fathoms 5025-9430-52A watch featuring a diamond bezel, black strap, and visible tourbillon mechanism—a true luxury watch masterpiece.

Brand: 

Model Line:

Production Period:

2007

Caliber/s:

Case Width:

45mm

Case Height:

50.7mm

Lug Width:

23mm

Blancpain Fifty Fathoms 5025-9430-52A Description

The Blancpain Fifty Fathoms Tourbillon 8 Jours, reference 5025-9430-52A, is a testament to the brand’s mastery of both haute horlogerie and professional dive watch manufacturing. Introduced in 2007, this model elevates the legendary Fifty Fathoms collection to a new level of complexity and luxury. The historical context of this reference is rooted in the early 2000s trend of incorporating high complications into robust sports watches. Blancpain, a pioneer in the world of diving watches since the original Fifty Fathoms of 1953, chose its most iconic platform to showcase its technical prowess. The significance of this reference lies in its successful fusion of a delicate tourbillon complication with the rugged, water-resistant architecture of the Fifty Fathoms case, a feat that underscores the brand’s innovative spirit. The watch is housed in a substantial 45mm 18-karat white gold case, adorned with a bezel set with brilliant-cut diamonds, signaling its position as a luxury-oriented diver. The black dial features a large aperture at 12 o’clock, proudly displaying the one-minute flying tourbillon. At 6 o’clock, a power reserve indicator tracks the impressive 8-day power reserve supplied by the self-winding Caliber 25A. Variations of the Fifty Fathoms Tourbillon exist in different case materials, such as red gold, and with various levels of diamond settings, but the 5025-9430-52A in white gold with a diamond bezel remains one of the most striking iterations. The watch is completed with a durable sailcloth strap, staying true to its maritime heritage while offering exceptional comfort.

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